linux-kernel - Re: Report in downstream Debian: mpt3sas broken with xen dom0 with update to 5.10.149 in 5.10.y.

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Message-ID: <85ad4508-b979-c792-e92b-01bc16260dec@acm.org>
Date:   Sat, 22 Oct 2022 18:27:29 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Salvatore Bonaccorso <carnil@...ian.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        sathya.prakash@...adcom.com, sreekanth.reddy@...adcom.com,
        suganath-prabu.subramani@...adcom.com,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        MPT-FusionLinux.pdl@...adcom.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org, adi@...egisch.at,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Suganath Prabu S <suganath-prabu.subramani@...adcom.com>
Subject: Re: Report in downstream Debian: mpt3sas broken with xen dom0 with
 update to 5.10.149 in 5.10.y.

On 10/21/22 02:22, Salvatore Bonaccorso wrote:
> We got the following report in Debian after an update from 5.10.140 to
> the current 5.10.149. Full quoting below (from
> https://bugs.debian.org/1022126). Does this ring some bell about known
> regressions?

Only three mpt3sas changes are new in v5.10.149 compared to v5.10.140:
$ git log --format=oneline v5.10.140..v5.10.149
2b9aba0c5d58e141e32bb1bb4c7cd91d19f075b8 scsi: mpt3sas: Fix return value check of dma_get_required_mask()
e7fafef9830c4a01e60f76e3860a9bef0262378d scsi: mpt3sas: Force PCIe scatterlist allocations to be within same 4 GB region
ea10a652ad2ae2cf3eced6f632a5c98f26727057 scsi: mpt3sas: Fix use-after-free warning

Sreekanth and Suganath, can you help with bisecting this issue? For the
full report, see also https://lore.kernel.org/linux-scsi/Y1JkuKTjVYrOWbvm@eldamar.lan/.

Thanks,

Bart.